Home / 14,700.06-20,281.14-8,325.90

Finding the Fourth Proportional to 14,700.06, 20,281.14 and 8,325.90

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Solution

The fourth proportional to 14,700.06, 20,281.14 and 8,325.90 is: 11,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.06 : 20,281.14 = 8,325.90 : x
  2. Step 2: Convert to fraction form
    14,700.06/20,281.14 = 8,325.90/x
  3. Step 3: Cross multiply
    14,700.06x = 20,281.14 × 8,325.90
  4. Step 4: Simplify right side
    14,700.06x = 168,858,743.53
  5. Step 5: Solve for x
    x = 168,858,743.53/14,700.06
  6. Step 6: Final answer
    x = 11,486.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.